Fourths to don j



(No ModeL) y Patented Jan. 29, 1895.-

l tion.

" 'UNITED STATES PATENT OFFICE HOHER-'14. BoYgnE.. or :GRAND aAPrbs'., monteert, 'AssicNoafor THREE- -frounrnsfropoN J. L' EATHERS AND LomsBAaTmor-SAME PLACE n srncmcnnozv rei-ming' part or Letters Patent' No; 533,341, dated January ae, rees. v

To. .will` wkoniil it 'may concern:

4fn-l Improvements in Wheel-Hubs; fand I3 do hereby declare thepfvollow-ing to be a'full,'c lear. and exact description of .the invention, such 'as willenable othersfskilled in the'art to .which 1g it appertains tomake and usel thesame.

This inventonrelates'toIimprovelhelli in' wheels for vehicles,bntinoreparticul'ariy'tohubsoraklefxes. f f

' 'to increasethe tension, and also improved ball-bearingsadapted `to` .prevent friction. in'

awfuse; the severalparts being simple in con-- manufacture. V To'this endthe invention consists in cerei tain improved features of 'construction and struction, 'etlicient in use 'and inexpensive in7 3 5 combinations of partaall as will be hereinafter described and particularlypinted .out inithe claims at -the end of the description.v`

Referring to the accompanying drawings,- i '-which forni a part offthis specification, and in 39 whichsmilarlettersof reference are `used to denote similar parts ot the device, Figure. 1"

- represents aplan'of the'exte'nsible hub, with c n'tadjustable-sleeve thereon shown in sec` nalsection taken throughV the hui), showing the axlie-tree or spindle partly in-section'.

The hub ru'pon which may b'e screwed an adjustable sleeve B; the screw-threads npon'onesection 4 .being made righi-handed and those upon the lother sectionA left-handed and the sleeve cor- 45 respondingly threaded, so that whenthe latdirection in which the sleeve is turned', there- 5o by either extending or contracting the hnb asmay be desired. 'lhisslecvejis preferably:

partsfa, a, ol. the hub. provided. with an elongated recess or recesses` c, `and nthe other with 1 .shaped tongue ortongues ci, adapted to fit said recess orrecesses so as to interlock therewith and prevent rotation of one part 'of lthe bicycles, trlcycles, or 'other' road-f Fig.;2 is across-section takenA on 'the- 35 lline II-II of Fig. l; and Figylis a longitndi-j;

ay consist of two sections AfA-,j4 each having an inwardly projecting, 'extef. 4o irorly screw-threaded, cylindrical portion a,

indicated-at 11, inFig'. 2,'t'or -the attachment 'of awrench or other suitable deviceby Iwhich the-sleeve lmay be rotated. to accomplieli'the aforesaid adj nstment.`l The sleeve is also prcfyerably recessed, interiori-y, as at b', centially reservoir snrroundi'nigl the'inner .endsl of the One of the parts a., is

hublindependently of the other.

V' .lfhe outer faces-of the hub sections or platesl ',.areconcave .in form, as shown,'and

Within such concave portions are placedloonf- -cavo-convex rings or bushrngs'Q C, and set nutsv D, D, screwed upon' the axle-tree or to provide lbetween such parts an annular recess of oval"forxn in crosssection.

`of ychamois skin or other-soft material, are'inf terposed, between the b ushing C, and the periphery-of the-nut :1). By thisK means bali. bearings are provided and t e balie and w'ear' 1 1 made sqnareorpol'ygonal'in cross-section, as Beit knownthat I, Henna L .,'Boynm' aciti-i zen ofthe United States, residing,lr at Grand, Rapids, in the lcounty o|:`\V Kent and State cl thereof-', tofforln an annular oil chamberor a correspondingly 'spindle E, have their innerfacesforined each V an annular concavity or recess'd, op' Aposed to' the'concave of the bushing- C, so as Within such recesses are placed suit-able ballslj, F, and a metallic-ring d', and an outerV ring.;r d2,

ing surfaces areohonsed within'thehub, so asV to be thoroughly protected from dust, and any' wear may bereadily taken up at will-by sini? ply tightening the nuts'D, D,.and.thespokes and follyl maylbc kept taut by: adjusting the sleeve'B,'whilo the working parts are kept lubricated by' the lubricant con-tallied, in the. annular chambersurronndingtheinterlocked' ends of the-hub" sections.v

' V'.lhe hub sections may have 'circular llamgesv a', a?, respectively, which may be'perforatedf `or recessedas may be desired' to receive the inneren'dsfof the spckesof the wheel.' e 95 t It will'he'understood, of course, that my in- 'vention is not-restricted tothe exact cnstrnction shown and described herein, as it is ob' vions-thatthe ball-bearings may be applied to a' hub without duplicate parts, and that eitherplatewith its. nut,- bushing and interposedlballs, will consti-tote the hill) of a wheel contact with the peripheries of the bushings v and while Ipreferably provide the cylindri- 4.

cal, exteriorly screw-threaded projections c,

a, upon vthe convex faces of the end plates'or hub 'sections A, A', with .interlocking tongue and groove or recess or equivalent connection, so as to prevent independentv rotary movement, for some, vpurposes such interlocking con nection` maybe dispensed with. Furthermore,

extending through the hub and provided with projecting screw-threaded ends upon which the nuts D, D,are screwed, be employed for securing,r said parts together. For instance, the said nuts may be simply the spindle and jam-nuts or other be employed for holding them-in means may.

"and against the balls.

' Having-thus what 'I claim as Letters Patentof the United States, -isv 1. 'An extensible'hubco'mprising essentially a pair lof end plateso'r ling on its' inner screw fthi'eaded projection, and a. screwed upon said projections;4 and projections having right and 'sleeve left-handed l3o'.screW-t-h'reads, and one of 'said projections be 'ing provided with a notch or fr' other with a tongue adapted l recess, so as to' causesaid parts to interlock and prevent independent rotary 'increment thereof, substantially as described.

'2. In combination with the hubsections exteriorly screwthreadedinterlocking projections, the rotathaving the cylindrical,

.able sleeve screwed 'upon' said projections while l have shown an axle or spindle.

othermeans may,

v-fully described my invention, f new, and desire to secure by d threaded proj ectious for forming an oil cham-y -ber, substantially'rasdescribed. hu'b sections each 'hav-1 5. In combinationQwith the.' hub sections side a cylindrical, exteriorly acess and the to engage saidj and adapted when rotated to extend or contract lthe hub, snbstantiall y as described.

3. ln combination withthe dished plates 'having cylindrical, exteriorly screw-threaded interlocking projections on the convex' faces thereof, and the sleeve screwed np'on said projections, the bushings seated in the concave screw-threaded ends, said spindle andhav'rng :concave faces opposed to the concavities of said bushings, suitable A Washers interposed between the peripheries of said bushings andnuts, and balls placed in the the opposing concave bushings, substantially as described.

4. 1n combination with-"thetwo-part extensible hub having' l screw -threaded projections, the interiorly screw-threaded sleeve adj nstably fitted upon v said projectionsand provided witha centrally recess between the sleeve and the disposed having the cylindrical, exteriorly screw- V threaded interlockingprojections, the interiorly screwLthre-aded sleeve 'adjustablyl' fitted upon said projections the cylindrical, exteriorlyfaces 'of said plates, the spindle having the nuts screwed upon oval annular spaces between faces of' said nuts an d and provided with au j interior annular recess forming-an oil chani- V bersmroun'ding the in-terlocked ends of said' projections, substantially as described.

In testimony whereof I affix` my signatur-'c in presence oi' two witnesses.

HOMER L. BOY LE.

Witnesses: J gA. E. Cmswnm., GHAs. E; t Rromms. 

